package com.megan.design.principle.liskovsubstitution.methodinput;

import java.util.HashMap;

/**
 * @Author: megan
 * @Data: 2018/8/23 上午8:36
 * @Description:
 */
public class Test {
    public static void main(String[] args) {
        Base child = new Child();
        HashMap hashMap = new HashMap(0);
        child.method(hashMap);
//        Map map = new HashMap(0);
//        child.method(map);
    }
}
